Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6156688 | Repairing material for bricks of carbonizing chamber in coke oven and repairing method | Takeshi Ando, Shinjiro Baba, Tadakatsu Kishi, Noboru Komatsubara, Shigeru Nakai +2 more | 2000-12-05 |